unsustainable [ˌʌnsəˈsteɪnəbl]

例句:

• This is an unsustainable, wasteful model of care.
  来自BBC
• Life on Earth will become unsustainable unless population growth is held in check.
  人口增长要是不加控制的话，地球上的生命将无法持续发展。
  
• A fashionable view these days is that China's investment boom is unsustainable.
  如今,一个风行的观点是:中国的投资繁荣是不可持续的.
  
• The story in Estonia and Lithuania is similar — and looks equally unsustainable.
  爱沙尼亚和立陶宛情形也与之相似,都不能持续下去.
  
• This trade pattern is unsustainable in the long term.
  来自THETIMES
• It is ridiculous in the extreme and totally unsustainable.
  来自SA